Apple Motion 5.1.1 - Manual (Page 530)

Chapter 14 Particles 530
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Wave: Particles emerge from a waveform. Using the onscreen controls (with the Adjust Item
tool) or the Start Point and End Point parameters in the Emitter Inspector, you can specify
the length and location of the wave. The Wave shape displays additional parameters.
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Geometry: Particles emerge from the edge of a shape, defined by a spline object used as the
shape source. The Geometry shape displays additional parameters. The following image on
the right shows the shape used as the emitter source. The image on the left shows particles
emerging from the edge of the shape source.
To apply a shape as the geometry shape source for a particle emitter, drag the shape to the
Shape Source well in the Emitter Inspector (after Geometry is chosen from the Shape pop-up
menu).
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